

<!DOCTYPE html>

<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="welcome.php" method="post">
    名字: <input type="text" name="name">
    年龄: <input type="text" name="age">
    <input type="submit">
</form>

</body>

</html>